content: /**
   * Copyright (c) 2016-present, RxJava Contributors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
   * compliance with the License. You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License is
   * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
   * the License for the specific language governing permissions and limitations under the License.
   */
  
  package io.reactivex.observable.internal.queues;
  
  import io.reactivex.common.internal.queues.AbstractSpscArrayQueue;
  import io.reactivex.observable.extensions.SimplePlainQueue;
  
  /*
   * The code was inspired by the similarly named JCTools class:
   * https://github.com/JCTools/JCTools/blob/master/jctools-core/src/main/java/org/jctools/queues/atomic
   */
  
  /**
   * A Single-Producer-Single-Consumer queue backed by a pre-allocated buffer.
   * <p>
   * This implementation is a mashup of the <a href="http://sourceforge.net/projects/mc-fastflow/">Fast Flow</a>
   * algorithm with an optimization of the offer method taken from the <a
   * href="http://staff.ustc.edu.cn/~bhua/publications/IJPP_draft.pdf">BQueue</a> algorithm (a variation on Fast
   * Flow), and adjusted to comply with Queue.offer semantics with regards to capacity.<br>
   * For convenience the relevant papers are available in the resources folder:<br>
   * <i>2010 - Pisa - SPSC Queues on Shared Cache Multi-Core Systems.pdf<br>
   * 2012 - Junchang- BQueue- Efficient and Practical Queuing.pdf <br>
   * </i> This implementation is wait free.
   *
   * @param <E> the element type of the queue
   */
  public final class SpscArrayQueue<E> extends AbstractSpscArrayQueue<E>
  implements SimplePlainQueue<E> {
      private static final long serialVersionUID = -1296597691183856449L;
  
      public SpscArrayQueue(int capacity) {
          super(capacity);
      }
  
  }
  
  